======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '142'
                                          'artist'  'Stan Freberg'
                                     'text_people'  ''
                                         'release'  'CAPITOL 3280'
                                           'title'  "Nuttin' For Christmas"
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['humor', 'novelty', 'american', 'comedy', '50s', 'parody']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '195'
                                      'tracktotal'  ''
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted;set-th-christmas'
                                             'bpm'  '119.195'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     'CAPITOL 3280'
'TBPM' (BPM (beats per minute))                     '119.195'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-unsorted', 'set-th-christmas']
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         "Nuttin' For Christmas"
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Stan Freberg'
'TRCK' (Track number/Position in set)               '195'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['humor', 'novelty', 'american', 'comedy', '50s', 'parody']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.05 dB'
'TXXX:replaygain_track_peak'                        '0.343107'

========================== row from database ==========================
                                              'id'  1504857
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1955/1955-195 - Stan Freberg - Nuttin_ For Christmas.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  142
                                           'genre'  prerock-unsorted;set-th-christmas
                                        'filesize'  5701925
                                           'mtime'  1620343036
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1955 1955 195 Nuttin_ prerock unsorted;set th christmas
                                      'tag_artist'  Stan Freberg
                                     'tag_release'  CAPITOL 3280
                                       'tag_title'  Nuttin' For Christmas
                                             'bpm'  119.195
                                    'search_title'  'christmas':4 'for':3 'nuttin':1,2
                                   'search_artist'  'freberg':2 'stan':1
                                  'search_release'  '3280':2 'capitol':1
                                     'search_rest'  '00oldiepop':5 '195':7 '1955':6 'christmas':15 'country':4 'exotica':2 'jazz':1 'nuttin':8 'oldies':3 'prerock':9 'set':11,13 'th':14 'unsorted':10,12
                                    'search_combo'  '00oldiepop':13 '195':15 '1955':14 '3280':8C 'capitol':7C 'christmas':4A,23 'country':12 'exotica':10 'for':3A 'freberg':6B 'jazz':9 'nuttin':1A,2A,16 'oldies':11 'prerock':17 'set':19,21 'stan':5B 'th':22 'unsorted':18,20
                                    'tag_tracknum'  195
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['humor', 'novelty', 'american', 'comedy', '50s', 'parody']
                                        'tag_date'  1955
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343035.5372212  (2021-05-07 01:17:15)
                             'size'  5701925